Question 2. It is reduced to 80 mm with forging by stacking a part with a height of 120 mm and a diameter of 75 mm. The friction coefficient between the workpiece and the mold is 0.13. The flow curve of the workpiece is defined by a strength coefficient of 165 MPa and a ping-top of 0.24. Calculate the force during the process at the moments given below and obtain the force-workpiece height graph (1) as soon as it reaches the flow point (flow unit shape change = 0.002), (2) height h = 115 mm, (3) height h = 110 mm, (4) height h = 105 mm,

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Question 2. It is reduced to 80 mm with forging by stacking a part with a height of 120 mm and a
diameter of 75 mm. The friction coefficient between the workpiece and the mold is 0.13. The flow
curve of the workpiece is defined by a strength coefficient of 165 MPa and a ping-top of
0.24. Calculate the force during the process at the moments given below and obtain the
force-workpiece height graph
(1) as soon as it reaches the flow point (flow unit shape change = 0.002),
(2) height h = 115 mm,
(3) height h = 110 mm,
(4) height h = 105 mm,
(5) height h = 100 mm,
(6) height h = 95 mm,
(7) height h = 90 mm,
(8) height h = 85 mm,
(9) height h = 80 mm,
Transcribed Image Text:Question 2. It is reduced to 80 mm with forging by stacking a part with a height of 120 mm and a diameter of 75 mm. The friction coefficient between the workpiece and the mold is 0.13. The flow curve of the workpiece is defined by a strength coefficient of 165 MPa and a ping-top of 0.24. Calculate the force during the process at the moments given below and obtain the force-workpiece height graph (1) as soon as it reaches the flow point (flow unit shape change = 0.002), (2) height h = 115 mm, (3) height h = 110 mm, (4) height h = 105 mm, (5) height h = 100 mm, (6) height h = 95 mm, (7) height h = 90 mm, (8) height h = 85 mm, (9) height h = 80 mm,
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